@inproceedings{inproceedingsff4c39f6, title = {Dating of granulites by SHRIMP U-Pb systematics in Brazil: constraints for the age of the metamorphism of proterozoic orogeneses}, author = {Tassinari, Colombo Celso Gaeta and Cordani, Umberto G. and Correia, Ciro Teixeira and Nutman, Allen and Kinny, P. and Dias Neto, Coriolano de Marins e}, year = {1999}, publisher = {SEGEMAR}, booktitle = {South American Symposium on Isotope Geology} }